She didn't particularly like being called a cougar, but it is the term by which people have come to understand her preference for sleeping with much younger men.
But was Schreck, with his gaunt appearance, ratlike teeth and preference for sleeping in a coffin — and for being filmed at night — merely mad for his method, or actually a vampire?
It is also not evident how much individual preferences for sleep – some like to sleep longer than others – affect these results.
Today, most people seem to have adapted quite well to the eight-hour sleep, but Ekirch believes many sleeping problems may have roots in the human body's natural preference for segmented sleep as well as the ubiquity of artificial light.
We all fall somewhere on a continuum of night owl to lark, with different degrees of preference for activity and sleep in the evening hours or the early morning.
McMakin's drafting table is next to his bedroom, in keeping with his habitual preference for "working where I sleep".
Independent of the phase of illness, sleep disturbance documented by polysomnography include: difficulties falling asleep, awakening too early and being unable to go back to sleep, a preference for being awake during the evening, reduced deep or slow-wave sleep (the most restorative stage of sleep), and short REM latencies [ 3- 6].
These changes in circadian type preferences and the increasing need for sleep might reflect specific factors underlying the circadian vulnerability in bipolar disorder, being different from the one proposed for major depressive disorder.
We learn of his sleeping patterns, including his preference for a post-lunch nap which, lucky man, leaves him feeling totally refreshed.
In addition, preference for evening activities has been associated with a greater need for sleep [ 34].
